Step-ladder.



vN. M. MARINARO.'

` STEP LADDER. APPLICATION FILED DEC.2I,1914 RENEWED IUNE 22,1916.

Patentd Aug. 7', 41917'.

NIcoLA MARIA ivrAnrNAno, or MONTREAL, QUEBEC, CANADA, AssiGNon ToJoHNLALLo, `or MONTREAL, CANADA.

or oNn-:tiALFA STEPLLADDER;

Specification of Letters Patent.

Patented Aeg. 7, 191'?.v

y Application led December 21, 1914, Serial No. 878,377.H RenewedJune'22, 1916. Serial No."105,298.

To all whom t may concern: n

NARo, a subject of the Kingof-GreatBritain, and resident of 493 Ontariostreet east, 5 in the cityV of Montreal, Province'ofl Quebec,

in the Dominion of Canada, havelnvented certain new andusefulvmprovements in Step-Ladders; and l do hereby declarethat thefollowingisa full, clear, and exact description ofthe same. j

' The-invention relates to improvements -in step ladders, as describedin the present specification; and illustrated inthe accom-1 panyingdrawings that forml part of the same; v 4 l' The invention consistsessentially of the novel construction and arrangement of parts, wherebyan additional frame folding to the main frame 'forms a support Vin theopen position'of the ladder for the utensils of the worker.

The objects of the invention are to devise a convenient form of stepladder that will be particularly useful to cleaners and workmengenerally, to insure safety for the personengaged at work,and'gene'rallyto provide a simple and durable ladder that-willv meet all therequirements yas furnished by a strong and steady scaffolding or stand.

the ladder in its open position.

Fig. 3 is a vertical side sectional view of the ladder in its collapsedposition.

Fig. 4 is a detail showing a preferred form of connection between thesupporting rear frames and the main ladder frame.

Fig. 5 is a plan view of a preferred form.

Like numerals of reference indicate corresponding parts in each figure.

Referring to the drawings, 1 are the steps extending between and securedto the uprights 2, said steps extending slightly beyond the front edgesof said uprights 2, and said uprights at their upper ends and 1n therear thereof having the recesses forming the shoulders 3.

4 are the rear props joined adjacent t-o the lower end by the broad rail6, said props at the extreme upper end thereof fitting un. l

i der the shoulders 3 and joined to the up- Y. rights 2 by the linkhinges 7, said links 7 being pivotally mounted over the plates 8 by thepivots 9, which extend through said' In the drawings, Figure 1 is aperspective'r plates into theA uprights, said `plates v8 extend- Be itknown that L-NICOLA MARIA MARI- ing upwardly kand in the open positionof the ladder meeting at their upper ends and inner edges, the 4latterbeing liush with the lnn'er edges of theuprights and-props, the latter`also i i theladder. Y. Y i

lIt willbe seen that the props and up` rights are secured together byflexible 'hinges and that the plates and the said up# rights andpropsmeet in the open position of the ladder,in order toprevent' the ladderspreading. `The spreading ofthe ladder is also provided' 'against` bythe bar hooks 10 secured tothe uprights 42 and fasteninglinto the'eyesl10n thepropjs 4.A

412 are the sidera'ils of the platform'supvportinngframeat the rearjoined together at n the lower end by the cross rail 13 into whichthe`pivots 14 extendA through tothe props 4 immediately'above the rail 6.The lower .endsof the side rails 12 are meeting in theV open" positionof preferably curved as. shown in Fig. 4 and l turning said rails 12rearwardly the rail 13 binds onv the rail 6 making the latter a sup-`port for the rails 12 and limiting the rearward movement of the rails12. v

Intermediate of the height of the rails 12 at the beginning of thereduced upper ends thepcross rail 15 joins thesaid rails 12 and adjacentto the extreme upper end they are joined by the cross rail 16. The openframe formed by the side rails 12 and cross rails 13, 1 5 and 16 foldsclosely to the props 4 and uprights 2, and at the upper end extendsconsiderably above the ladder.

17 is a platform which is equivalent tothe ltop step of the ladder andis pivotally secured to the uprights 2 midway between the upper step andthe extreme topends of said uprights, .said latform extending rearwardlyconsidera ly beyond therear props 4 and therebetween and having at theunder extending downwardly from the under side l l of the platform 17.

21 is a shelf hinged at the upper crossrailV i I 16 and folding upwardlyand outwardly therefrom and lsupported by the brackets 22,

the latter being' pivotally secured on the said rails 12in order ytoyfold yinwardly inf the collapsed position of theisaidA shelf.

23 is a hook secured to the rails 12 and fastening into the eye 24: onthe shelf 21," so" as to fasten said shelf securely in its col` lapsed"position.

thereof or otherwise suitably fastened thereto extending. l.to l theyside vrails-12 toWardl the upperend 4andV secured'thereto, said ropesyhaving tWo functionsv that ofv safeguarding' the platform v17 yfromfallingrthroughthe the saidplatform, thus avoidingthe-danger incident`tothe spreading .of= the fopen frameand ladder proper andthefconsequentvdrop of''thefplatform'end. y Thisis an'j addition notshow-n infFigs.v 1,y 2 and. 3, as While'ime' Vportantx it'isi not anecessity the construe'-` tion.- u

In the use of .this ladderV for household or trade purposes,yv.the-"personl mountingA the steps'reachesfthe platform 17Which'issafely supported aseexplained, byy thei'lpivotfat the 25 areropes" threaded through :the Vuprights 2 at the upper end':

front end andthe open frame at the rear end iand non this platform theused stands to do the `Work,Whatever "it-may be. Thepail of 'Water,Yragsf'brushes and other accessories forucleaning are also supported onshelf 21.

The'sarne may be done for calcimining, Whitewashing, painting or likeWork, and for the plumber and electrician; this fur` nishes vaconvenientwplace :to yrest his tools and materials, but hooks or othersupporting devices may be used in place off this shelf, and theser would.preferably be'L secured yon theuppercrossffrail oflthe openf flank, in

fact;y changes may be made in the general constructionvofthe ladderfsolong als-fthe main -1 features: are ret-aine@V andwhichv 'are pointed.out inwthef'claixn for novelty` following:y

What 'I claim f as. myinvention :is: l

A step ladder comprising ga stepgsection andfa prop1section.'hingedtogether,l aplatformffpivotally; secured `at .theuupper ends ofnsaidsectioI'1s,1-aplatform` Isupport pivotally secured to'sai'dfpropl;section-and-a looped Wire pivotally joining the under sideA ofl'saidplatformfyvith the uprights of vsaid platformE support.

Nroorii maar Minimes.'

Witnesses:

Mi MGC/Ausw cdpief'thiwpateutmayzbe obtained-fiammecents each; 'nyiadlressingetliefvCommissioner of,l?:i1-,entre Wshingtommest f

